javax/servlet/jsp/PageContext报错

IceMoonChen 2009-09-15 03:46:30

做了一个从数据库下载文件的页面，可是报错了，忘高手指点下，我用的是SmartUpload
另外想请教下，上传文件至数据库的时候，如何获得文件的类型信息（application/vnd.ms-excel之类的），谢谢

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /operation/sql_tz_down.jsp at line 24

21: %>
22: <%=rs.getString(2)+rs.getString(1)%>
23: <%
24: mySmartUpload.initialize(pageContext);
25: //mySmartUpload.downloadField(rs,"image_data",rs.getString(2),rs.getString(1));
26: //mySmartUpload.fieldToFile(rs,"image_data",rs.getString(1));
27: %>

Stacktrace:
org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:505)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:398)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

javax.servlet.ServletException: java.lang.NoClassDefFoundError: javax/servlet/jsp/PageContext
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:862)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:791)
org.apache.jsp.operation.sql_005ftz_005fdown_jsp._jspService(sql_005ftz_005fdown_jsp.java:100)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

root cause

java.lang.NoClassDefFoundError: javax/servlet/jsp/PageContext
com.jspsmart.upload.SmartUpload.initialize(SmartUpload.java:62)
org.apache.jsp.operation.sql_005ftz_005fdown_jsp._jspService(sql_005ftz_005fdown_jsp.java:81)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267)
javax.servlet.http.HttpServlet.service(HttpServlet.java:717)

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